linux-kernel - Re: Problems with get_driver() and driver_attach() (and new

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Message-ID: <Pine.LNX.4.44L0.1201061039590.1326-100000@iolanthe.rowland.org>
Date:	Fri, 6 Jan 2012 10:42:43 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Greg KH <greg@...ah.com>
cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Kay Sievers <kay.sievers@...y.org>,
	USB list <linux-usb@...r.kernel.org>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: Problems with get_driver() and driver_attach() (and new_id too)

On Thu, 5 Jan 2012, Greg KH wrote:

> > Greg, do you know offhand whether this will break anything?  It really 
> > seems like the right thing to do, because the usb_serial driver uses 
> > the usb driver but not vice versa.
> 
> Hm, there was a reason I ordered the way I did, as I remember having to
> go fix up a number of drivers that did it in the reverse order.  Give me
> a day or so to dig it up and figure out what is going on here, and to
> review this thread.

One more thing.  I just noticed that, unlike all the others, the
qcserial and siemens_mpi modules don't set .no_dynamic_id in their
usb_driver structures.  Is that just an oversight?  I can't think of 
any reason for it.

Alan Stern

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